tennis Big Four-ever? Djokovic can return to emulate evergreen Federer and resurgent Nadal By following Roger Federer's example in taking an extended break from tennis, Novak Djokovic can prolong the lifespan of the Big Four.
tennis Federer's Australian Open win ends greatest-ever debate An enthralling five-set win over Rafael Nadal in the Australian Open final saw Roger Federer clinch his 18th grand slam title.
tennis Serena Williams vs. Venus Williams - the statistics that matter For the first time since 2009, Serena and Venus Williams contest a grand-slam final. Using Opta, we preview the Australian Open showdown.
tennis WATCH: Re-live Federer and Nadal's epic 2009 Australian Open final Roger Federer and Rafael Nadal are set for another Australian Open epic, just as they delivered in the 2009 final.
